FIXED ASSETS (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Fixed assets	$ 79,345	$ 75,661
Accumulated depreciation	(42,127)	(36,394)
Fixed assets, net	37,218	39,267
Furniture, equipment and capitalized software
Property, Plant and Equipment [Line Items]
Fixed assets	18,055	16,820
Leasehold improvements
Property, Plant and Equipment [Line Items]
Fixed assets	45,478	43,107
Corporate airplane
Property, Plant and Equipment [Line Items]
Fixed assets	12,439	12,439
Other
Property, Plant and Equipment [Line Items]
Fixed assets	$ 3,373	$ 3,295